90768340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349109}}^1$

素因数の和:349131

約数の個数: 24

約数和(自身を含む): 205276680

約数和(自身を除く): 114508340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 349109, 698218, 1396436, 1745545, 3491090, 4538417, 6982180, 9076834, 18153668, 22692085, 45384170, 90768340]

約数ペア:

[(1, 90768340), (2, 45384170), (4, 22692085), (5, 18153668), (10, 9076834), (13, 6982180), (20, 4538417), (26, 3491090), (52, 1745545), (65, 1396436), (130, 698218), (260, 349109)]